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Expert HVAC Ductwork Installation & Repair in Connecticut
At CMC Sheet Metal, we have dedicated ourselves to delivering exceptional HVAC ductwork solutions across Connecticut for over 13 years. Our expertise lies in the precise design, fabrication, and installation of ductwork systems tailored to both residential and commercial properties. Based in Norwich, we pride ourselves on providing reliable, energy-efficient systems that ensure optimal comfort and air quality. Our team combines technical proficiency with a commitment to customer satisfaction, ensuring every project meets rigorous standards of craftsmanship.

We approach each job with a focus on minimizing energy loss, reducing noise, and maximizing airflow efficiency to deliver long-lasting, cost-effective solutions. With a reputation built on trust and professionalism, we remain committed to advancing our clients' comfort through meticulous attention to detail and adherence to industry best practices.
Services
HVAC Ductwork Installation Ductwork Repair Ductwork Replacement Residential Duct Systems Commercial Duct Systems
Highlights and features
  • We offer 13+ years of specialized HVAC ductwork experience.
  • Our team serves both residential and commercial properties across Connecticut.
  • Fully licensed and insured for client protection and peace of mind.
  • We prioritize energy-efficient designs to reduce long-term operating costs.
  • Committed to minimizing air leakage and maximizing system longevity.
Services
HVAC Ductwork Installation
Our HVAC ductwork installation ensures precise system design, fabrication, and placement tailored to your property's unique heating and cooling needs. We focus on minimizing air leakage, reducing energy costs, and maintaining consistent indoor comfort. With 13+ years of expertise, we deliver durable, code-compliant installations for residential and commercial spaces.
Ductwork Repair
We identify and fix leaks, blockages, and inefficiencies in existing duct systems to restore optimal airflow and energy efficiency. Our repairs address noise reduction, air quality improvements, and system longevity. Timely interventions prevent costly HVAC strain and maintain indoor comfort standards for homes and businesses.
Ductwork Replacement
When systems degrade beyond repair, we provide full ductwork replacements using modern materials and techniques. This service eliminates energy waste, improves HVAC performance, and enhances indoor air quality. Our replacements follow industry standards for airtightness and airflow efficiency in residential and commercial settings.
People
Chris Cavanaugh
General Manager
Chris Cavanaugh leads CMC Sheet Metal with 13+ years of expertise in HVAC ductwork design and installation. He oversees operations with a focus on quality craftsmanship and client satisfaction. His leadership ensures every project meets technical and service excellence standards.
Questions
What areas do you serve?
We provide HVAC ductwork services throughout Connecticut for residential and commercial properties.
How long does ductwork installation take?
Residential installations typically take 2-6 days; commercial projects may require several weeks depending on scope.
What is the lifespan of ductwork?
Properly installed ductwork lasts 20-25 years with regular maintenance and inspections.
How do you ensure proper installation?
We conduct third-party duct leakage tests and follow industry standards for airtightness and airflow efficiency.
What are the benefits of professional ductwork?
Professional installation reduces energy costs, improves air quality, and extends HVAC system longevity.